From: "Iñaki Baz Castillo" <ibc@...>
Date: 2012-08-30T01:57:47+09:00
Subject: Re: How to add a non standard Gem path?

2012/8/29 Jordi Massaguer Pla <jmassaguerpla@suse.de>:
> You can try something like this:
>
> $:.unshift yourdirectory

Hi, that is not what I'm looking for. $: is the same as $LOAD_PATH and
contains directories in which Ruby searchs for libraries which
"require" command. This is not the same as adding a new directory for
Gem search.

In fact, if I show the content of $: (or $LOAD_PATH) I get this (with
Ruby 1.9 so rubygem is loaded):

["/usr/local/lib/site_ruby/1.9.1",
"/usr/local/lib/site_ruby/1.9.1/x86_64-linux",
"/usr/local/lib/site_ruby", "/usr/lib/ruby/vendor_ruby/1.9.1",
"/usr/lib/ruby/vendor_ruby/1.9.1/x86_64-linux",
"/usr/lib/ruby/vendor_ruby", "/usr/lib/ruby/1.9.1",
"/usr/lib/ruby/1.9.1/x86_64-linux"]

There is NOT the Gems directory (and it shouldn't since it's not the
same concept).



This is: I need to install several gems into /usr/local/gems/
directory and make "require" to look there as now it looks in
/var/lib/gems/1.9.1/ directory.



> or use rvm (https://rvm.io/) <- you can use different ruby versions and
> different gemsets.

I cannot do that. It is not for something I need in my computer but
for a library to be published.



> or use GEM_HOME http://docs.rubygems.org/read/chapter/3

Yes, I can do this (assuming that I've installed the gem "abcd" in
/usr/local/gems/"):

  export GEM_PATH=/usr/local/gems
  irb -r abcd

It works, but could I load any other Gem installed in the default
/var/lib/gems/1.9.1/ directory? I've tested it right now and got a
failure and a success, not sure yet... XD


Thanks a lot.


-- 
Iñaki Baz Castillo
<ibc@aliax.net>